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Finding the Fourth Proportional to 144,599.84, 199,519.40 and 90,853.68

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Solution

The fourth proportional to 144,599.84, 199,519.40 and 90,853.68 is: 125,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,599.84 : 199,519.40 = 90,853.68 : x
  2. Step 2: Convert to fraction form
    144,599.84/199,519.40 = 90,853.68/x
  3. Step 3: Cross multiply
    144,599.84x = 199,519.40 × 90,853.68
  4. Step 4: Simplify right side
    144,599.84x = 18,127,071,721.39
  5. Step 5: Solve for x
    x = 18,127,071,721.39/144,599.84
  6. Step 6: Final answer
    x = 125,360.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.